327816459137 has 12 divisors (see below), whose sum is σ = 336959373996. Its totient is φ = 318915325440.

The previous prime is 327816459133. The next prime is 327816459149. The reversal of 327816459137 is 731954618723.

It can be written as a sum of positive squares in 6 ways, for example, as 185443058161 + 142373400976 = 430631^2 + 377324^2 .

It is not a de Polignac number, because 327816459137 - 2² = 327816459133 is a prime.

It is a super-2 number, since 2×327816459137² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (327816459133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20791337 + ... + 20807097.

It is an arithmetic number, because the mean of its divisors is an integer number (28079947833).

Almost surely, 2^327816459137 is an apocalyptic number.

327816459137 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

327816459137 is a deficient number, since it is larger than the sum of its proper divisors (9142914859).

327816459137 is a wasteful number, since it uses less digits than its factorization.

327816459137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31028 (or 30991 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The spelling of 327816459137 in words is "three hundred twenty-seven billion, eight hundred sixteen million, four hundred fifty-nine thousand, one hundred thirty-seven".